Roof window



FIG. 1 is a perspective view of the roof window in open position;

FIG. 2 is a plan view thereof from the external side;

FIG. 3 is a perspective view in closed position;

FIG. 4 is a plan view thereof from the internal side;

FIG. 5 is a front elevational view of FIG. 1;

FIG. 6 is a rear view thereof; and,

FIG. 8 is a front elevational view in closed position. 

We claim the ornamental design for a roof window, as shown and described. 